Gas lamp or burner.



Patented Jul 24, I900. H. A. KENT.-

GAS LAMP 0R BURNER. (.Afiplication filed m 23, 1899.)

N TO HENRY ANDREW KE NT H's ATTORNEYS.

("0 Mod WITNESSES,

r'rnn STATES PATENT OFFICE.

HENRY A. KENT, OF LONDON, ENGLAND' GAS LAMP OR BURNER.

SPECIFICATION forming part of Letters Patent No. 654,458, dated July 24,1900.

Application filed May 23, 1899. Serial No. 717,953. (No model.)

To all whom it may concern:

Be it known that I, HENRY ANDREW KENT, engineer, a subject of the Queenof Great Britain and Ireland, and a resident of 59 Middleton road, BowesPark, London, England, have invented certain new and useful Improvementsin Gas Lamps or Burners, (for which I have applied for a patent inEngland, No. 6,051, dated March 20, 1899,) of which the following is aspecification.

My invention has for its object to provide a gas lamp or burner orburners which can be lighted by means of material which will becomeignited when gas comes in contact therewith or by means of apilot-light, the lighting being efiected by means of the pressure of theincoming gas itselfwithout the use of a by-pass tap or of a devicedepending on the expansion of metal for its operation.

According to my invention I arrange in the passage by which gas passesto the burner or burners a device which controls two passages for gas,one to the main burner or burners and another to the igniting device orpilotlight or igniting devices or pilot-lights in such a manner thatwhen the gastap is first turned to a small extent the gas passes throughthe passage leading to the igniting device or devices or pilot light orlights, but not to the passage leading to the main burner or burners, asthe pressure of the small amount of gas thus admitted is insufficient tocause the last-named passage to be opened. Thereafter when the tap isfurther turned on and a greater quantity of gas admitted the passage tothe main burner or burners is opened and the gas passes to the saidburner or burners and is ignited, the same movement which opened thesaid passage for gas to the main burner 01' burners closing that for gasto the igniting device or devices or pilot light or lights, it beingunderstood that when an igniting device or igniting devices dependingfor its or their ignition on contact of the gas is or are used thesupply of gas to the igniting device is entirely out off when the gas isburning at the main burner or burners, while when a pilot light orlights is or are used there can be always a passage for a small amountof gas thereto through the tap to keep it alight, buta furtheramount ofgas will pass to the pilot when the gas-tap is first opened for creatingasuflicient flame to light the main burner, and the passage for gas tothe pilot light is again closed completely by the valve controlling thepassage to the pilot, or it is closed to a small passage when the flameis to be burned at all'times at the pilot, when said valve has in it anopening equivalent to that through the tap when in its closed position.7

The following is a convenient arrangement according to my invention,presuming .one burner and one igniter to be used. I will describe thiswith reference to the accompanying drawings, representing verticalsections, with the parts shown in Figure 1 in the position they are inwhen the gas is unlighted, and Fig. 2 showing the'parts in the positionthey assume when the gas is lighted.

In the gasway, between the gas-tap A and the burner B, I provide a diskor block 0, having in it a passage d for gas to the pipe 6 lead ing tothe igniter e, and another passage f for gas to the burner B. Carried bya vertical spindle mounted so as to be capable of moving up and down inguides h 71 (shown as in disks perforated for the passage of gas,) is avalve or hood 2', presenting a comparativelylarge surface to the gas and(when the gas is not turned on sufficiently to raise it) closing thepassage f for gas to the burner B. When the gas-tap Ais first turned 011to a small extent, (which may be indicated by a springcatch entering arecess or by a pointer,) the pressure of gas is not sufficient to raisethe valve or hoodt' to open the passage for gas to the burner B; but gaspasses by the passage (1 (which is open) and pipe 6 to the igniter e,and the gas is ignited thereat. When the gastap A is further turned, thepressure exerted by the additional quantity of gas admitted issufficient to open the passage f for gas to the burner B by acting onthe valve or hood 2', and so gas passes to the burner B and is ignitedthereat by the igniter e, the movement thus efiected acting, by means ofa disk 9 secured to the vertical spindle g, on a valve j,(mount= ed inthe lower guide-disk k which closes the passage d for gas to the ignitere,as shown in Fig. 2. The parts remain in this position as long as thelamp is burning. When the tap A is turned to extinguish the light, thevalve or hood 2' descends and closes the pas- .igniter When the gas-tapA is again ope-rated as aforesaid.

My invention can be applied to gas-lamps of various kinds-such as.gas-lamps of the ordinary kind, incandescent gas-lamps, regenerativegas-lamps, and the like-the passages for the gas to supply the igniterand main burner, respectively, being led thereto by pipes or passagesarranged to suit the particular kind of lamp to which the invention isapplied.

I claim as my invention- 1. A gas-burner having a pilot-burner and amain burner with passages leading to both burners, a spindle passingfreely through the passage to the main burner, a hollow conical valvemounted on said spindle and acting as a cut-off valve to the mainburner, and a projection on said spindle, and an independently-movablevalve operated by said projection to close the passage to thepilot-burner when the spindle is moved by gas-pressure acting upon theconical valve to open the passage to the main burner, substantially asdescribed.

2. The combination of a gas-tube, a pas-' sage for gas through said tubeto the burner, a pilot-tube, a passage for gas from the gas tube to thepilot-tube, avalve normally closing the gas-passage to the burner, a rodor spindle connected to said valve, a projection on said rod or spindle,and an independentlymovable valve operated by said projection to closethe passage to the pilot-tube when the main-burner valve is moved bypressure of the gas to admit gas to said burner.

3. A gas-burner having a pilot-light and a main burner with passagesleading to said pilot-light and burner, a spindle having a projectionthereon, a valve controlling the passage to the main burner and adaptedto be moved through the medium of the pressure of gas, anindependently-movable valve controlling the passage to the pilot-lightand adapted to be moved by the projection on the spindle when themain-burner valve is moved to open the passage leading to the mainburner, substantially as described.

In testimony whereof I'have signed this specification inthe presence oftwo subscribing Witnesses.

H. A. K ENT.

\Vitnesses:

WILLIAM JOHN WEEKS, JOHN EDWARD NEWTON.

